AI by Hand

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Prof. Tom Yeh teaches AI math, algorithms, and architectures through hand-drawn diagrams.

AI by Hand is a Substack publication by Prof. Tom Yeh of By Hand Research, focusing on model interpretability. It offers hand-drawn explanations of AI concepts, interactive workbooks, and live seminars. Topics range from attention mechanisms and activation functions to fine-tuning and specific models like Qwen 3.6. Over 73,000 subscribers.

What commenters are saying

Many commenters criticized the paywall and signup wall blocking access to content. One called the UX "user-hostile" and another said it made them leave immediately. Some sharing positive alternatives: a GitHub repo building GPT-2 from scratch, a book on deep learning from No Starch Press, and resources on building LLMs. A few commenters appreciated the "by hand" teaching method, but frustration with locked content was the dominant reaction.